Used Music is it worth it?
So. SOmeone is trying to sell me his used subs/amp. But i really dont know if its worth it.
Alphasonik PMA2500A
500W x 2 Car Amplifier

Technical Specification
RMS Power Range : 500-1500 Watts
Number Of Channels: 2
Low Frequency response: 5 Hz
High Frequency Response: 50000 Hz
Built In Crossovers: Yes
Channel Separation: Yes
Features
500 Watts x 2 @ 4 ohms Stereo
800 Watts x 2 @ 2 ohms Stereo
1500 Watts x 1 @ 4 ohms Mono
Dimensions: (W x H x L) 8 1/4" x 2 5/8" x 21 1/4"
Hour Meter
Remote Mount Digital Voltmeter(included)
Heavy Duty One-piece Extruded Aluminum Heat Sink
Beveled Clear Acrylic Protective Cover
Tiffany-Style Input and Output RCA Jacks
Parallel Line-out RCA Jacks
MOSFET High Speed Switching Power Supply
Milspec Double-Sided Glass Epoxy Circuit Board with Through-hole Plating
Heavy 4 oz. Pure Copper PC Traces at All Preamp and Amplification Stages
Solid Brass Nickel-plated Terminal Blocks (4-gauge Power, 8-gauge Speaker)
THD: 0.05
Signal-to-Noise Ratio: >100dB
Frequency Response: 5Hz~50kHz
Input Impedance:10K ohms
Input Sensitivity: 200mV~8V
4-Way Protection Circuitry: Thermal, Short Circuit, Overload and DC Offset
Thermal Cooling Fan
and 2 of these....
Alphasonik PSW615
15" 800W Dual 4-Ohm Subwoofer

Technical Specification
Sensitivity: 98 dB
RMS Power Range : 800 Watts
Impedance: Dual 4 Ohm
Low Frequency response: 25 Hz
High Frequency Response: 500 Hz
Diameter: 15 Inch
Features
Proprietary Cast Aluminum Alloy Machine Cut "Alpha" Basket
Proprietary Cooling Rings for Motor Assembly
Kevlar® Reinforced Composite Balanced & Laminated Cone
High Tensile Strength Two-Layer Surround for Enhanced Control
Flat Progressive Rate Nomex® Damper w/ Spiral-Woven Leads
98 oz. Double Stack Magnet
Dual 4 ohm 2" Voice Coils
8-Gauge Lug-Lock Input and Output Terminals
Mounting Dimensions Depth: 7 1/2"
Through Hole: 13 7/8"
Diameter: 15 1/4"
Priced per speaker
Subwoofers are usually come as a single speaker unless noted differently.
my biggest issue is if its worth it. i worked out the numbers and the cheapest im finding all this for is about 740 w/out a box . He wants $600 so im only saving about 140 bucks from brand new. also he does have the subs in a box so i guess im saving on that also.
But is this set up worth it? Is this amp matched properly with the subs or is one item much stronger than the other. Im really not familiar with this 2ohm 4ohm lingo.
Would someone recommend just holding out and getting a solobaric/rockford setup?
Alphasonik PMA2500A
500W x 2 Car Amplifier

Technical Specification
RMS Power Range : 500-1500 Watts
Number Of Channels: 2
Low Frequency response: 5 Hz
High Frequency Response: 50000 Hz
Built In Crossovers: Yes
Channel Separation: Yes
Features
500 Watts x 2 @ 4 ohms Stereo
800 Watts x 2 @ 2 ohms Stereo
1500 Watts x 1 @ 4 ohms Mono
Dimensions: (W x H x L) 8 1/4" x 2 5/8" x 21 1/4"
Hour Meter
Remote Mount Digital Voltmeter(included)
Heavy Duty One-piece Extruded Aluminum Heat Sink
Beveled Clear Acrylic Protective Cover
Tiffany-Style Input and Output RCA Jacks
Parallel Line-out RCA Jacks
MOSFET High Speed Switching Power Supply
Milspec Double-Sided Glass Epoxy Circuit Board with Through-hole Plating
Heavy 4 oz. Pure Copper PC Traces at All Preamp and Amplification Stages
Solid Brass Nickel-plated Terminal Blocks (4-gauge Power, 8-gauge Speaker)
THD: 0.05
Signal-to-Noise Ratio: >100dB
Frequency Response: 5Hz~50kHz
Input Impedance:10K ohms
Input Sensitivity: 200mV~8V
4-Way Protection Circuitry: Thermal, Short Circuit, Overload and DC Offset
Thermal Cooling Fan
and 2 of these....
Alphasonik PSW615
15" 800W Dual 4-Ohm Subwoofer

Technical Specification
Sensitivity: 98 dB
RMS Power Range : 800 Watts
Impedance: Dual 4 Ohm
Low Frequency response: 25 Hz
High Frequency Response: 500 Hz
Diameter: 15 Inch
Features
Proprietary Cast Aluminum Alloy Machine Cut "Alpha" Basket
Proprietary Cooling Rings for Motor Assembly
Kevlar® Reinforced Composite Balanced & Laminated Cone
High Tensile Strength Two-Layer Surround for Enhanced Control
Flat Progressive Rate Nomex® Damper w/ Spiral-Woven Leads
98 oz. Double Stack Magnet
Dual 4 ohm 2" Voice Coils
8-Gauge Lug-Lock Input and Output Terminals
Mounting Dimensions Depth: 7 1/2"
Through Hole: 13 7/8"
Diameter: 15 1/4"
Priced per speaker
Subwoofers are usually come as a single speaker unless noted differently.
my biggest issue is if its worth it. i worked out the numbers and the cheapest im finding all this for is about 740 w/out a box . He wants $600 so im only saving about 140 bucks from brand new. also he does have the subs in a box so i guess im saving on that also.
But is this set up worth it? Is this amp matched properly with the subs or is one item much stronger than the other. Im really not familiar with this 2ohm 4ohm lingo.
Would someone recommend just holding out and getting a solobaric/rockford setup?
Alpha Sonik is a great brand, just check the condition of the amp and subs. My friend deals almost exclusively with Alpha Sonik, and has never been dissappointed. Very high quality amps.
He says he has the reciepts and that the system is only 2 months old. i saw the amp. its in pristine condition with one minor blemish that i could really careless about.
my main concern was if the 2 items are fit for eachother...and if its really worth the 600 dollars used...
my main concern was if the 2 items are fit for eachother...and if its really worth the 600 dollars used...
I like being the first owner when it comes to things like these. In case it blows (knock on wood), I'll only have myself to blame. I would recommend a solobaric because I'm loving mine. I'm powering it with an Alpine and it's been working flawlessly for 2 years.
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