American Vintage Audio (AVA) is now offering a NEW repair diaphragm for Infinity EMIT Tweeters - Half Line Source models.  See below for all infinity models this part can be used in.

Now Selling Revision 1.0 EMIT Diaphragms!  Since its introduction in 2018 we have sold over 3000 of these parts saving, and restoring hundreds of Vintage Infinity Speakers from the Landfill, or from being parted out.  All revision 1.0 EMIT's will now have the P/N AVA191218.

YouTube DIY Assembly video: https://youtu.be/yXaVErRn6u4

FEATURING NEW REPRODUCTION DIAPHRAGM’s (see photos).

• Replace your defective diaphragm with a new part designed for equal or better performance.

• See the 4 FFT curves: Two are Original EMIT Tweeters (Half Line source), vs Two original EMIT’s fitted with my NEW Repair Diaphragms.  As you can see they are virtually identical.  Measured in a 1 Meter anechoic chamber with a Mini-DSP UMIK-1 Calibrated Microphone and Audio Tools FFT with Pink Noise.  The Plot is from 2K-20Khz at approximately 110DB. 

• Bringing vintage Infinity speakers back to life.  Over 3000 sold to Satisfied customers!

• Shipping to Domestic USA, $7.75 Flat fee.  

• International Orders Accepted: Calculate Shipping charges Include Tracking, and Insurance.  

• Payment through eBay Payments.

• Satisfaction Guaranteed, simply return for a full refund. *Will not warranty physically damaged from faulty installation, or "Open circuit"/Blown diaphragms due to over amplification. This is not covered in our return policy.  No returns for Cosmetic Blemishes, all Diaphragms are tested 100% before shipping.  Buyer Pays Return Shipping.

THIS AUCTION IS FOR ONE (1) PIECE - However, we recommend changing these in pairs.  Need more than one, visit our Store for discounted listings of Two or more pieces?

About The Seller: I have 45 years in the audio Industry, serving in various technical roles (Test Engineering, Quality Control, etc), and currently restoring vintage 2.0 Stereo audio equipment; Loudspeakers, Receivers, Turntables, etc.

Fits the following Infinity speakers:

IF YOU DO NOT SEE YOUR SPEAKERS IN THIS LIST, COMPARE THE PHOTO WITH DIMENSIONS TO YOUR TWEETERS TO CONFIRM FITMENT.

Infinity, Quantum Line Series: Quantum 4, Quantum 5, Qa, Qb, Qe, Quantum Jr, Q5, Q4. DOES NOT FIT QLS-1, QLS-2, QLS-3: Check our Store for Quantum EMIT's!

Reference Standard B, RS B, Reference Studio Monitor, Reference Standard 1.5, Reference Standard 2.5, RS 2.5, Reference Standard 4.5, RS 4.5

Reference Standard 1, RS-1, RS-1A, RS-1B, IRS Beta, IRS V, IRS Gamma, RSB, RS II, RS IIa, RS IIb, RS Jr, RS a, RS e, RS III, RS IIIa, RS IIIb, RS 4, RS-5, RS-5b, RS-6b, RS-7b, RS-8a, 

InfiniTesimal, Reference Series, RS

Infinity Kappa, Kappa, Kappa 9, Kappa 8, Kappa 7, Kappa 6, Kappa 5,