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Indian Institute of Information Technology, Design and

Manufacturing Kancheepuram, Melakkottaiyur,

Chennai – 600 127, Tamil Nadu, India

Tender Document

For

Supply and Installation of Recording Studio Equipments

Date: 19.02.2020

Item : Supply and Installation of Recording Studio Equipments

(Specification and quantity enclosed as Annexure)

Tender Enquiry No : IIITDMK/19-20/S&P/Recording Studio Equipments/034

EMD :

Bidders are to execute a Bid declaration accepting that if they withdraw or modify their Bids during the period of validity, or if they are awarded the contract they will be debarred for the period of one year for bidding for any tender of the Institute. Further, the debarment will be intimated to all department of government of India/ governmental organizations for bidding by the firm for any tender.

(declaration format enclosed)

Submission of Offer :

Two Bid System:

Two bid system will be followed in this tender. In this system the bidder must submit his offer in two separate sealed envelopes. Both the technical bid and commercial bid envelopes should be securely sealed and stamped separately and clearly marked as “Envelope No: 1 - Technical Bid” and “Envelope No: 2 - Commercial Bid” respectively.

BID declaration form should be placed in the Technical Bid. This two separate sealed envelopes should be placed in single envelope superscribing the tender No and description of the item.

Due Date

(For submission of bids) :

03: 00 PM, 5th March 2020

(any bid received after the due date and time by any means will be summarily rejected)

Opening of Technical Bid

: 04:00 PM, 5th March 2020

Place of Submission of Bid

:

The Registrar,

Indian Institute of Information Technology, Design and Manufacturing, Kancheepuram,

Off Vandalur – Kelambakkam Road,

Melakkottaiyur, Chennai – 600 127.

Important : All communications are to be addressed to in the name of Registrar, IIITD&M

Kancheepuram only and not in the name of any officer and mails has to be sent to official purchase email id purchase@iiitdm.ac.in

Terms and Conditions

1. The Bidders are requested to give detailed tender in two bid format.

Envelope-I : Technical Bid

Envelope-II : Commercial Bid

2. The bidder has to accept all terms and conditions of the Institute and conditional offers will

not be accepted.

3. The tender document can be downloaded from the IIITD&M Kancheepuram website

www.iiitdm.ac.in at free of cost. The duly filled tenders should be submitted to Registrar,

Indian Institute of Information Technology, Design and Manufacturing, Kancheepuram, Off

Vandalur – Kelambakkam Road, Melakkottaiyur, Chennai – 600 127 on or before due date

3.00 PM, 05.03.2020. Extension of due date will not be entertained.

4. Tenders which are submitted without following the two bid offer system will summarily be

rejected.

5. Envelope No-1 : Technical Bid

i) Bid declaration form.

ii) The leaflet / catalogue in original etc. of the product quoted.

iii) Bids should have a validity of 60 days. The technical offer should not contain any price

information.

6. Envelope No-2 : Commercial Bid

This should contain only the price information along with commercial terms and conditions.

7. Opening of Technical Bids

The technical bids will be opened on the scheduled date in the presence of the bidders or

their authorized representatives who choose to attend the technical bid opening.

8. Technical Evaluation

i) All the technical aspects of the bids will be evaluated for suitability and specification. If

required, the Institute may seek additional clarification from the bidders.

ii) The technical recommendation shall be final and binding on all the parties.

iii) The technically qualified firms will be intimated about Price Bid opening by email.

9. Opening of Commercial Bids

IIITD&M Kancheepuram will open commercial bids of only the shortlisted bidders in

technical evaluation in the presence of the bidders or their authorized representatives who

choose to attend the commercial bid opening. The representatives of shortlisted firms only

will be allowed for commercial bid opening.

10. Price

The price should be quoted in INR only. GST payable extra.

11. Delivery Period / Timelines

The deliveries and installation must be completed within 2 weeks from the date of

purchase order. The time is the essence of the contract. It is mandatory for the bidders who

respond to this bid to meet this expectation, as this is linked to student’s Labs / classes.

12. Supply & services

i) The items covered by this document is required to be supplied and installed at Indian

Institute of Information Technology, Design and Manufacturing, Kancheepuram, Off

Vandalur-Kelambakkam Road, Melakkottaiyur, Chennai – 600 127, Tamil Nadu.

ii) IIITD&M Kancheepuram will not provide any accommodation / transportation for the

engineers / representatives for attending installation, commissioning and

demonstration work. It is the absolute responsibility of the principal supplier / agent to

make their own arrangements.

13. Installation

i) Bidder shall be responsible for installation / demonstration as applicable and for after

sales service during the warranty and thereafter.

ii) Installation and demonstration to be arranged by the supplier.

14. Warranty / Support

i) The items supplied shall carry the warranty as per the requirement mentioned in the

technical specification.

ii) The defects, if any, during the guarantee / warranty period are to be rectified free of

charge by arranging free replacement wherever necessary.

iii) The bidder should arrange for technical support during warranty period within 24

Hours of lodging of complaint.

15. Indemnity

The vendor shall indemnify, protect and save IIITD&M Kancheepuram against all claims,

losses, costs, damages, expenses, action suits and other proceeding, resulting from

infringement of any law pertaining to patent, trademarks, copyrights etc., or such other

statutory infringements in respect of all the items supplied by them.

16. Freight and Insurance

The items to be supplied will be insured by the vendor against all risks of loss or damage

from the date of shipment till such time it is delivered at IIITD&M Kancheepuram site.

17. Payment

100% payment after delivery, installation and acceptance by IIITD&M on submission of Bank

Guarantee for an equivalent value of 5% of PO value valid till warranty period plus 2

months.

The bidders may note that other modes of payment like advance payment and payment

against delivery is not considered.

18. Penalty for delayed services / LD

i) As time is the essence of the contract, delivery period mentioned in the purchase

order should be strictly adhered to. Otherwise LD clause will be applied / enforced.

ii) If the supplier fails to supply, and fix the item as per specifications mentioned in the

order within the due date, the supplier is liable to pay liquidated damages of 1% of

order value for delay of every week or or part thereof subject to a maximum of 10%

beyond the due date. Such money will be deducted from any amount due or which

may become due to the supplier.

iii) IIITD&M Kancheepuram reserves the right to cancel the order in case the delay is

more than 04 weeks and the contractor is not eligible for any damage from the

Institute and contractor will forfeit his claim for EMD.

19. Purchasers right to vary quantities at the time of award

IIITD&M Kancheepuram reserves the right at the time of award of contract to increase or

decrease the quantity of items specified in the schedule of requirements without any

change in price or other terms and conditions.

20. Jurisdiction

The disputes, legal matters, court matters, if any, shall be subject to Courts in the district of

Kancheepuram Jurisdiction only.

21. Force Majeure

a) IIITD&M Kancheepuram may consider relaxing the penalty and delivery requirements,

as specified in this document, if and to the extent that the delay, in performance or

other failure to perform its obligations under the contract, is the result of a force

majeure.

b) If the due date of submission of tender / Tender opening is declared a holiday for the

Institute, the due date for submission of tender / Tender opening will be extended to

same time on next working day.

22. Arbitration

All disputes of any kind arising out of supply, commissioning, acceptance, warranty

maintenance etc., shall be referred by either party (IIITD&M Kancheepuram or the bidder)

after issuance of 30 days notice in writing to the other party clearly mentioning the nature

of dispute and will be referred to the arbitrator to be nominated by Director, IIITD&M

Kancheepuram, India. The Venue for arbitration shall be Chennai, India.

23. Acceptance of the terms and conditions of tender document

The bidders has to accept all the terms and conditions of this tender document and it is

made known that the bidders quoting for this tender had impliedly accepted the terms

and conditions of this tender.

24. Interpretation of the clauses in the Tender Document

In case of any ambiguity / dispute in the interpretation of any of the clause in this tender

document, interpretation of Director, IIITD&M Kancheepuram shall be final and binding on

all parties. The IIITD&M Kancheepuram reserves the right to accept the offer in full or in

parts or reject the offer summarily or partly without assigning any reasons .

Sd/-

कुलसचिव / Registrar

IIITD&M Kancheepuram

Annexure-1

(To be printed in the letter head of the bidder)

Bid Declaration form

To

The Registrar,

IIITDM Kancheepuram

I/We M/s. ________________________________ (Name) bid for the tender

_______________________________ (Tender No) towards supply and installation

of____________________ (Name of the item) declare that if we withdraw or modify our Bids

either during the period of validity of bid or fail to execute the contract on award the purchase

order/contract, we understand and agree that our firm will be debarred for the period of one

year for further bidding of any tender of your institute. Further, we agree that your institute is

at liberty to intimate this debarment to all departments/ organizations of government and

governmental organizations.

Authorized signatory with seal

Item No: 1

Handheld Camcorder- Qty-1 Sony, Panasonic Brands Only

Specification

Classification of Camera Video

Type of Camera Handheld camcorders or Video

Camera

IMAGE SENSOR

Image Sensor CMOS

Sensor Size for Fixed Lens Camera

(inch) 1/2.8 or 1/3

Effective Pixels (Mega Pixels) 8

ISO (Sensitivity of the image Sensor) Max

0

Supported Picture or image format JPEG

OPTICS

Lens Mounting Fixed

Mount type Fixed Lens

Type of Lens Prime Lens

Minimum Focal Length 28 millimetre

Maximum Focal Length 576 millimetre

Minimum Lens Aperture

(f/number) 1.6

Maximum Lens Aperture (f/number)

11

Optical Zoom 20x

Digital Zoom (X) 40x

Maximum Field of View 40 degree

Focus Mode Auto, Manual

Video Recording

Video Recoding Required

Maximum Recording Resolution

(Pixels) Full HD (1920 x 1080)

Frame Rate 24,25,30,48,50,60

Video Compression Format H.264, MPEG4

Video Output Port HDMI, SDI

Video file format AVCHD/ XAVC

AUDIO

Audio Recording Required

Audio Recording Type Buit-in

Number of Audio Input Port 2

Type of Audio input Port XLR

Audio Output Required

Number of Audio Output Port 2

Type of Audio output Port XLR, RCA / AV

DISPLAY

Display Required

Display Type LCD

Touch Screen No

Display Size (inch) 3.1 - 3.5

Vari Angle Screen Required

View Finder Required

FEATURES

Flash External (Not inclusive in the scope of supply)

GPS coordinates Stamping onto

Videos / photographs No

Gyro Sensor Required

Voice Control Required

Connectivity Interface USB

Control Remote

Picture control system Auto

Noise reduction Feature Required

Flash modes Auto

Shutter type mechanical

Minimum Shutter Speed 60 second

Maximum Shutter Speed 0.5 second

Drive modes Countinous Shooting

Additional features, if any Hood with lens cover

IP Streaming FTP, FTPS, MPEG2, RTMP, UDP:

1920 x 1080

STORAGE

Storage Type Micro SD

Dual Slot Required

Memory Card expandable upto

(GB) 256

BATTERY

Power Source Rechargeable Battery

Battery Size, if Non-Rechargeable Battery

Required

Battery Chemistry, if Rechargeable

Battery Li-Ion

Number of Batteries required for operation

1

Number of Batteries supplied (Inclusive in the Scope of Supply)

1

BATTERY CAPACITY (mAh) 5000

Item No: 2

Battery Charger for Rechargeable Batteries

Required

GENERIC

Housing construction Metallic

List of Items and Quantity of each

item included in the offer Battery, Charger, Adaptor

WARRANTY

Warranty 3 year

Audio Mixer Qty-2

Sound craft, Yamaha Brands Only

Specification Channels 12

Preamps 12 x Ghost

Equalization EQ: 4-band (2 bands of swept mids)

Input Limiter dbx: 4

Effects Lexicon: Single engine

USB Interface 2 x input

2 x output

Auxiliary 4

Subgroup Outputs 4 mono / 2 stereo

Faders 3.9" (100 mm)

Warranty 1 Year

Item No: 3

Professional Desktop Speakers Qty-1 set

Yamaha, Presonus Brand Only Specifications

Speaker Type Monitor Speaker

Amplification Method Passive Speaker

If Powered, Amplifier Class Class A

Configuration Two Way

Number of Speakers 2(Left & Right)

Frequency Response (Hz) 20-20,000 Hz

Low Frequency Unit with Size in Inches 75

High Frequency Unit with Size in inches 68

Sound Pressure Level (SPL) (1W/1m)

(dB) 59

Coverage Pattern 5

Maximum Level Sound Pressure Level

(dB) 79

Nominal Impedance (Ohm) USB

Speaker Port Polycarbonate or Better

Connectors Wall Mount

Enclosure

Mounting

LED Indicators Required

Power Rating (Watt) 50

AC Power Input 230V ~ 50/60 Hz

Warranty (Years) 1 Year

Item No: 4

Studio Monitor Speaker Qty- 1 Set

Yamaha, Presonus Brand Only

Specifications

Speaker Type Monitor Speaker

Amplification Method Passive Speaker

If Powered, Amplifier Class Class A

Configuration One Way

Number of Speakers 2(Left & Right)

Frequency Response (Hz) 20-20,000 Hz

Low Frequency Unit with Size in

Inches 85

High Frequency Unit with Size in

inches 45

Sound Pressure Level (SPL) (1W/1m)

(dB) 65

Coverage Pattern 10

Maximum Level Sound Pressure

Level (dB) 25

Nominal Impedance (Ohm) 15

Speaker Port Sealed Enclosure

Connectors USB

Enclosure Polycarbonate

Mounting Wall Mount

Power Rating (Watt) 12

AC Power Input 230V ~ 50/60 Hz

Warranty (Years) One year

Item No: 5

Video Streaming Encoder and Recorder Qty-1No

Specification

Video Input HDMI x1

SDI x1

Supported Video Input Resolution

1080p 60/59.94/50

1080p 30/29.97/25/24/23.98

1080i 60/59.94/50

720p 60/59.94/50

480i 59.94, 576i 50

Audio Input SDI & HDMI embedded audio

RCA L/R x1

Encode H.264/AVC, Main/High Profile

Video Bitrate

Record Only: Up to 16Mbps (1080p50/60)

Stream Only: Up to 10Mbps (1080p50/60)

Rec+Stream: 10Mbps (1080p25/30)

Video Rate Mode CBR/VBR

Audio Mode Stereo/Mono

Audio Bitrate Stereo: 64~384Kbps

Mono: 32~192Kbps

Streaming Protocols

TS over TCP/UDP (unicast & multicast)

RTSP over HTTP/TCP/UDP (RTSP Elementary Streaming)

RTMP/RTMPS (Publish)

HLS

Recording File Format MP4, TS

Storage SD Card x1

(File System: NTFS, FAT)

Power Supply DC 12V

Warranty One year

Samsung EVO microSD Card (SD Adapter) UHS-1 Speed Class 1 (U1), Class 10

Accessories

Content 1 x NVS-33 product

1 x AD Switch DC 12V

Item No: 6

HD digital video switcher Qty-1No

Datavideo, Blackmagic Brand only

Specification

Video Standard HD

Video Format 1080i 50/59.94/60Hz

720p 50/59.94/60Hz

Video Processing SDI: 4:2:2

HDMI: YUV 4:2:2 10 bit, RGB: 4:4:4

Input Routable /

Crosspoint All 4, repeatable

Video Input 2x HD-SDI

2x HDMI

Computer Graphic Interface

2 via HDMI

Video Output 2 x HDMI (1 is MV, 1 is Assignable)

1 x HD-SDI (Assignable)

Built- in Multi-view Monitoring Out

HDMI

Audio Input 1 x Stereo RCA (L/R)

2 x Mono Microphone

De-embedded Digital Audio (2 CH)

Audio Output 1 x Stereo RCA (L/R)

1 x Stereo headphone (Mini Jack with volume control)

Embedded Digital Audio (2 CH)

Embedded Audio Support Embedded 2-CH digital/analogue audio

A+V Switching Required

Chromakey 2

USK 1x USK support Chroma Key & Linear/ Luma Key

Picture in Picture 1

Logo Insertion 1

Still Store 500

Effects FTB, Cut, 32 Wipe with border

Transition Preview Full transitions preview

Sync / Reference In/Out Built- in Genlock (internal)

Tally Output 1x D-sub 15pin, dual color

Built- in Audio Mixer Required, 4 channels

Special Features Free Virtual Set and Stinger transition

included

Chassis Unibody

Power DC 12V, 29W

Options CB-62

accessories 1 x SE-650 product

1 x AD Switch DC 12V with AC Cord

Item No: 7

350W Tungsten 3 Qty

Specification

Lighting Color Yellow

Type Background Light

Power 350W

Lighting Type Tungsten

Color Temperature 2700-3600 K

Item No: 8

Four Bank 200W LED 8 Qty

Specification

Type Fill Light

Power 200W

Lighting Color Cool White

Cable length 2M

Door 4 Leaf barn doors

Dimmer 0-100% (adjustable)

Lighting Type LED

Color Temperature 3200-5600 K

Shape & Size of the light Rectangle

2 Feet LED

Item No: 9

Video Recorder Qty-1No Specification

SDI Video Inputs 1

SDI Video Outputs 2

SDI Rates 270Mb, 1.5G-SDI, 3G-SDI, 6G-SDI

HDMI Video Outputs 1 x HDMI type A connector.

Power over Ethernet 1 x Ethernet with Power over Ethernet

DI Audio Inputs 16 channels embedded in SD and HD in QuickTime files.

SDI Audio Outputs 16 channels embedded in SD and HD in QuickTime files.

HDMI Audio Outputs 8 channels embedded in SD, HD and UHD in QuickTime files.

Reference Input Tri-Sync or Black Burst.

Reference Generator Tri-Sync or Black Burst.

Computer Interface 1 x USB 2.0 type C for software updates and Utility software control.

Standards

SD Video Standards 525i59.94 NTSC, 625i50 PAL

SDI Compliance SMPTE 259M, 292M, 296M and 425M

HD Video Standards 720p50, 720p59.94, 720p60

1080p23.98 to 1080p100 1080i23.98 to 1080i100

1080i50, 1080i59.94,

1080i60

2160p23.98, 2160p24, 2160p25, 2160p29.97,

2160p30

SDI Compliance SMPTE 259M, 292M, 296M and 425M

SDI Metadata Support HD RP 188 and closed captioning.

Audio Sampling Television standard sample rate of 48kHz and 24-bit.

Video Sampling 4:4:4:4

Color Precision 10-bit

Color Space REC 601, REC 709

Media

Media 2 x SD for SD, HD and Ultra recording.

Media Type UHS II and able to support ProRes 4444 playback and 422 recording.

Media Format Should format discs to ExFAT (Windows/Mac) or OS X Extended (Mac) file systems.

Supported Codecs QuickTime in HD for fill and key playback, H.264 in 720p and 1080p, 4K

FTP Clients Cyberduck, Transmit, FileZilla

Control

External Control

deck control, SDI start/stop, timecode run. Includes SDK and Ethernet Control Protocol. Supports

remote FTP file upload.

Item No: 10

Full HD LCD Projector Qty-4Nos

Image Display

Display System 3-Chip Polysilicon TFT LCD

Native Chip Resolution 1920 x 1080

Supported Resolutions Minimum: VGA - 640 x 480

Maximum: SXGA - 1280 x 1024

Max Brightness White: 3600 Lumens

Color: 3600 Lumens

Aspect Ratio 04:03 , 16:09 , 16:10

Dynamic Contrast Ratio 35,000:1

Color Depth 10-Bit (1.07 Billion Colors)

Lens

Focus Manual

Lens f/2.56 – 2.68 (f = 22– 24 mm)

Optical Zoom Manual:

Throw Ratio 1.42 to 1.67:1

Projection Size 34 - 332" / 86.4 - 843.3 cm

Warranty One year

Keystone Correction Manual-Horizontal: ± 40°

Auto-Vertical: ± 40°

Digital Zoom 2x

Ceiling Mountable Yes

Rear Screen Projection Yes

Built-In Speaker Yes (Mono)

Speaker Power 5W

Input/output Connectors

Inputs/Outputs

1 x 2RCA Audio Input

1 x HDMI (HDMI Type-A) Audio, Video Input

1 x Composite (RCA) Video Input

1 x VGA (DE-15/DB-15) Video Input

1 x USB Type-A Data

1 x USB Type-B Data

1 x 1/8" / 3.5 mm Mini Audio Output

General

Operating System Android

Light Source Lamp x (UHE)

Lamp Power 200 W

Expected Lamp Life Low Brightness: 7500 Hours

Full Brightness: 4000 Hours

Security Cable Lock Slot

AC Input Power 100 to 240 VAC, 50 / 60 Hz

Power Consumption

Standby Mode (Lamp Off): 2.1 W

Full Brightness: 307 W

Low Brightness: 231 W

Item No: 11

Handheld mic Qty-2Nos

Specification

Type Wireless

Form Factor Handheld

If Wireless, Operating Range (meter) 100 m

Polar Pattern / Directionality Cardioid

Microphone Transducer Type Dynamic

Frequency Response (Hz) 20-20,000 Hz

Equivalent Noise Level (dBa) 110

Signal to Noise Ratio (dB) 110

Electrical impedance (ohm) 40

Sensitivity -50 dBV /Pa (3.15 mV)

LED Indicator Needed

On/Off switch Needed

Volume Control No

Audio Connector Type 3.5 mm Jack

Casing Material Plastic

Power Source AA battery, 1.5 V

Operating Humidity (RH%) 85

Warranty (Years) 1

Item No: 12

Podium Mic Specifications

AKG, Shure Brands Only Audio frequency bandwidth 50 - 20000 Hz

Equivalent noise level l30 dB-A

Sensitivity 5 mV/Pa

Signal to Noise 64 dB-A

Polar Pattern Cardioid

Type Balanced XLR

Gender Male

Contacts 3-pin

Body metal

Finish matte black

Gooseneck Microphone Yes

Item No: 13

Wireless Collar Mic Qty- 2Nos Specification

Type Wireless

Form Factor Collar (Lapel)

If Wireless, Operating Range (meter) 100m

Polar Pattern / Directionality Omni Directional

Microphone Transducer Type Condenser

Frequency Response (Hz) 20-20,000 Hz

Equivalent Noise Level (dBa) 36

Signal to Noise Ratio (dB) 110

Sensitivity -43 dBV/Pa (7.0 mV)

LED Indicator Needed

On/Off switch Needed

Audio Connector Type 3.5 mm Jack

Casing Material Metal

Power Source 12 V DC

Operating Temperature Range (Degree

C) -10 °C to +55 °C

Warranty (Years) 2

Item No: 14

Green Screen

Specification Size 36x10 Feet

Type Matte

Item No: 15

Ceiling Grid Rod

Specification Qty Diameter 2inch

Height 22feet 2

Height 16 feet 6

Material Mild steel with powder coated

Item No: 16

Amblifier Specifications Quantity (1)

JBL, Yamaha Brands Only Power Ampli fier

Number of Channels 2

Power Rat ing 4 Ohms / 8 Ohms:

300 W (1 kHz, 0.5% THD)

Load Impedance / Voltage 4 Ohms (Min imum)

70 / 100 V

Performance

Frequency Response 20 Hz to 20 kHz ±1 dB (8 Ohms)

Input Sensitivity Line: 775 mVrms (Balanced, at 8 Ohms)

RCA: 300 mV (at 8 Ohms)

Input Impedance Euro block: 20 Kilohms (Balanced)

RCA: 10 Kilohms

Connectivity

I/O

Euroblock Balanced/Unbalanced Input

2RCA Summed-Mono Input

Terminal Block Output

Item No: 17

Speaker 6 Qty JBL, Yamaha, Bose Brands only

Frequency Range (-10 dB) 45 Hz to 20 kHz

Frequency Response (+/-3 dB) 62Hz - 16 kHz

Maximum Input Voltage 27.5 V RMS (2 hrs), 55.0 V peak

Maximum SPL 112 dB ave. Continuous Pink Noise (118 dB peak)

Sensitivity 91 dB, 1W/1m (ave. 100 Hz – 10 kHz)

Coverage Angle 100° x 100°

Directivity Factor (Q) 7.3 (averaged 1kHz – 16kHz)

Directivity Index (DI) 8.3dB (averaged 1kHz – 16kHz)

Nominal Impedance 8 ohms (THRU setting)

Crossover Type 2nd order low-pass, 1st order high-pass, plus conjugate shaping

Transformer Taps 70V: 60W, 30W, 15W, 7.5W 100V: 60W, 30W, 15W Insertion

Loss: <0.94 dB at any tap setting Thru Setting: 8Ω nominal

Recommended ProtectiveHigh-Pass 45 Hz high-pass (24 dB/oct) for 8Ω operation plus 15W and 7.5W

taps; 55 Hz for 30W tap; 65 Hz for 60W tap.

Low Frequency Driver

200 mm (8 in), woven-fiberglass cone with pure butyl rubber

surround with Weather-Edge frame protection, high-temp fiberglass

voice coil former, high-temp voice coil wire, optimized cone geometry,

linear suspension spider, and FEA optimized motor s tructure.

High Frequency Driver 25 mm (1 in) PEI diaphragm, low-viscosity ferro-magnetic flu id,

and lightweight Kapton™ voice coil former.

Color White