We are very experienced in the repair and modification of this crossover. Our modification upgrades the power handling of the speaker to accommodate 100watt amps and the dynamic range of CD, improves fidelity, phase response and correctness, and allows the speaker to output stronger bass. We replace or add on certain crucial value capacitors and resistors to correct the midrange sound to be equal to the woofer and tweeter. We also “sharpen” the crossover (technically, a 12dB per octave crossover...
Please complete the form as best as possible, leaving anything you don't know blank and we will email you a response with a copy of this this form.
Please print the form and have that in hand ready to take notes, then call us directly at 617-926-8020 (weekdays 12 noon to 7pm, except Tuesdays). Please let us know you submitted our on line Service Request Form and are calling to complete that process.
At that time the shop owner Vince, will provide additional pertinent information regarding diagnostic fees, estimated total service costs and scheduling.
Having this information really helps to solve problems in today's era, in some cases people are incorrectly using their machines because of another fault or worse yet have misdiagnosed their own problems. Vince has been in business for 45 years, he has seen it all and knows how to figure it out.
Thank you for understanding of our need for this service form. Knowing the age, use-time and service history of a product will allow us to inform you what maintenance or updates are required to make the unit as reliable as possible. In order to do our best work we have to schedule units accordingly and manage what we have in the shop.
Nothing can be accepted into the shop without a properly completed Service Intake Form that includes the estimate, total cost and service schedule information; that has been provided to you.
* Note for customers shipping in from out of state especially APT 1 power amp or Apt Holman preamp:
You MUST carefully pack and Double Box your unit! Do not allow a third party
like UPS to pack units for you. (they do not understand the care required to protect these kinds of electronics
to arrive safely)
Nothing can be accepted into the shop without a properly filled out Service Intake Form
Do not bring any unit here without it being authorized first.