American Vintage Audio (AVA) is now offering NEW repair diaphragms for Infinity S-EMIT/SEMIT Super Tweeters.  See below for Infinity models this part can be used in.  Also See Photo w/Dimensions, and compare with yours to confirm.

THIS AUCTION IS FOR TWO (2) PIECES - We recommend that you change in Pairs.

Since its introduction in 2018 we have sold almost 3000 of our Original EMIT part saving, and restoring hundreds of Vintage Infinity Speakers from the Landfill, or from being parted out.

Installation: Reference our YouTube DIY Assembly video for the original part until we can upload a New Video for this Part : https://youtu.be/yXaVErRn6u4  NOTE: Infinity may have used an Adhesive on the rear assembly, we suggest scoring the Layers with an Exacto blade before attempting to separate and disassemble.

FEATURING NEW REPRODUCTION Diaphragm's (see photos).

Replace your defective diaphragm with a new part designed for original performance.

See the the photo with Frequency response curves comparing the original SEMIT Tweeter, vs our NEW AVA SEMIT parts.  Measured in a 1 Meter anechoic chamber with a Mini-DSP UMIK-1 Calibrated Microphone and REW.  The Plot is from 3K-20Khz at approximately 90DB. 

Bringing vintage Infinity speakers back to life.

Shipping to Domestic USA, $8.25 Flat fee.  

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

Payment through eBay Payments.

Satisfaction Guaranteed, simply return undamaged parts, in original packing materials for a full refund. *Will not warranty, or accept Returns if 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 Issues, all Diaphragms are tested 100% before shipping.  Buyer Pays Return Shipping.

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

Compatibility, Fits the Following Vintage Infinity speaker Models: Kappa 9, Delta/Gamma, Beta, RS-4000, RS-5000

Part Numbers, fits the following SEMIT, S-EMIT, and EMITk Tweeter/Drivers: 902-3465, 902-2645, 902-2645A, 902-2645B

Quality: Our service and parts quality is unmatched.  Please check our Feedback, and eBay Rating!  Been Selling on ebay for almost 25 years, and we stand behind everything we sell!

Other Infinity Parts: We also Sell Repair diaphragms for the Original Quantum EMIT, Half-Source EMIT (most common), and EMIM Midrange Driver.  The HE-EMIM (High Energy) EMIM is currently in development, and should be release sometime in 2023... check our eBay Store!